- lymphatic system, systema lymphaticum - the interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the body
--1 is a kind of vascular system
--1 is a part of body, organic structure, physical structure
--1 has parts:lymphatic tissue, lymphoid tissue; spleen, lien; thoracic duct; lymph vessel, lymphatic vessel; lymphocyte, lymph cell